Added monkey patching in of Array.indexOf for IE 8 compatibility.
Added monkey patching in of Array.indexOf for IE 8 compatibility.

eckardm/archivematica,michal-ruzicka/archivematica,artefactual/archivematica,eckardm/archivematica,michal-ruzicka/archivematica,eckardm/archivematica,sevein/archivematica,michal-ruzicka/archivematica,artefactual/archivematica,michal-ruzicka/archivematica,artefactual/archivematica,sevein/archivematica,sevein/archivematica,sevein/archivematica,artefactual/archivematica,eckardm/archivematica